Overweight and obesity in Australia: the 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab)

Cameron, Adrian J., Welborn, Timothy A., Zimmet, Paul Z., Dunstan, David W., Owen, Neville, Salmon, Jo, Dalton, Marita, Jolley, Damien and Shaw, Jonathon E. 2003, Overweight and obesity in Australia: the 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab), Medical journal of Australia, vol. 178, no. 9, pp. 427-432.

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Title Overweight and obesity in Australia: the 1999-2000 Australian Diabetes, Obesity and Lifestyle Study (AusDiab)
Author(s) Cameron, Adrian J.
Welborn, Timothy A.
Zimmet, Paul Z.
Dunstan, David W.
Owen, Neville
Salmon, Jo
Dalton, Marita
Jolley, Damien
Shaw, Jonathon E.
Journal name Medical journal of Australia
Volume number 178
Issue number 9
Start page 427
End page 432
Publisher Australasian Medical Publishing Company
Place of publication Sydney, N.S.W.
Publication date 2003
ISSN 0025-729X
1326-5377
Summary Objective:
To measure the prevalence of obesity in Australian adults and to examine the associations of obesity with socioeconomic and lifestyle factors.

Design:
AusDiab, a cross-sectional study conducted between May 1999 and December 2000, involved participants from 42 randomly selected districts throughout Australia.

Participants:
Of 20 347 eligible people aged > 25 years who completed a household interview, 11 247 attended the physical examination at local survey sites (response rate, 55%).

Main outcome measures:
Overweight and obesity defined by body mass index (BMI; kg/m2) and waist circumference (cm); sociodemographic factors (including smoking, physical activity and television viewing time).

Results:
The prevalence of overweight and obesity (BMI > 25.0 kg/m2; waist circumference > 80.0 cm [women] or > 94.0 cm [men]) in both sexes was almost 60%, defined by either BMI or waist circumference. The prevalence of obesity was 2.5 times higher than in 1980. Using waist circumference, the prevalence of obesity was higher in women than men (34.1% v 26.8%; P < 0.01). Lower educational status, higher television viewing time and lower physical activity time were each strongly associated with obesity, with television viewing time showing a stronger relationship than physical activity time.

Conclusions:
The prevalence of obesity in Australia has more than doubled in the past 20 years. Strong positive associations between obesity and each of television viewing time and lower physical activity time confirm the influence of sedentary lifestyles on obesity, and underline the potential benefits of reducing sedentary behaviour, as well as increasing physical activity, to curb the obesity epidemic.

Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2003, Medical Journal of Australia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008616

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